m43q5f07re - 1-x 2 + x 3 + x 4-x 5 = 2 x 1 + x 2 + x 3-2 x...

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MATH 43 5th Quiz (take-home) due: September 26, 2007 NAME: (Last, First) 1. Use Gauss-Jordan elimination to solve the following system. Include a clearly identified reduced row echelon matrix for the coefficient matrix; and a statement identifying which variables are leading variables and which variables are free vari- ables. 2 x 1 + 2 x 2 - 3 x 4 = 0 - x
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Unformatted text preview: 1-x 2 + x 3 + x 4-x 5 = 2 x 1 + x 2 + x 3-2 x 4-x 5 = 2 2. If the augmented matrix of a system of equations can be reduced to the form given below, nd all k for which the system is consistent. Find all k for which the system has innitely many solutions. [ A | c ] = 1-2 | 3-k 2 + 4 |-k + 2...
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This note was uploaded on 02/29/2008 for the course MATH 43 taught by Professor Dodson during the Spring '08 term at Lehigh University .

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